A dual-axis sensor for measuring X and Y components of angular velocity in an X-Y sensor plane is provided. The dual-axis sensor includes a first subsensor for measuring the X component of angular velocity, and a second subsensor for measuring the Y component of angular velocity. The first subsensor...http://www.google.co.uk/patents/US7458263?utm_source=gb-gplus-sharePatent US7458263 - Method of making an X-Y axis dual-mass tuning fork gyroscope with vertically integrated electronics and wafer-scale hermetic packaging
